Chen Haolong, a live-in son-in-law, is mistakenly diagnosed with a terminal illness. After years of suppressing his frustrations, he finally explodes, confronting and tearing apart the two heartless families that have been exploiting him. He scrapes together money to save Wang Yuhui, a poor orphan girl. After enduring one upheaval after another, including fights over money, being forced into marriage, and trouble caused by his enemies, he is finally on the verge of a happy life. But just as happiness seems within reach, the mystery of his true identity begins to surface, while he remains completely unaware of the truth and looks forward to a bright future.